diff --git a/authfs/tests/benchmarks/Android.bp b/authfs/tests/benchmarks/Android.bp
index b30ecdd3..110d000e 100644
--- a/authfs/tests/benchmarks/Android.bp
+++ b/authfs/tests/benchmarks/Android.bp
@@ -12,6 +12,7 @@ java_test_host {
         "AuthFsHostTestCommon",
         "MicrodroidHostTestHelper",
         "cts-host-utils",
+        "MicrodroidTestPreparer", // Workaround for sandboxed test environment to install this
     ],
     test_suites: ["general-tests"],
     data_device_bins_first: [
diff --git a/tests/hostside/Android.bp b/tests/hostside/Android.bp
index c71a8eca..873cc389 100644
--- a/tests/hostside/Android.bp
+++ b/tests/hostside/Android.bp
@@ -38,6 +38,7 @@ java_test_host {
         "compatibility-host-util",
         "cts-statsd-atom-host-test-utils",
         "microdroid_payload_metadata",
+        "MicrodroidTestPreparer", // Workaround for sandboxed test environment to install this
     ],
     per_testcase_directory: true,
     data: [